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Do I really need a firewall for my server?
(sopuli.xyz)
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this post was submitted on 24 Mar 2025
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I just went done this road and i'd say it is worth it even only for the learning part. I've set counter per application in nftable, and via a python script send them in SVG graph format to Glance dashboard. The result is I can monitor my whole network per application and the best part it all add up very well so I know there is no 'unknown' outgoing or ingoing traffic on my machine.